Granted, the main lead is kind of a student/not really because of some stuff. The plot was kind of slow so I haven't been able to finish the entire manga (because school interferes), but there definitely was some sort of a storyline that was unfolding.

Granted, the main lead is kind of a student/not really because of some stuff. The plot was kind of slow so I haven't been able to finish the entire manga (because school interferes), but there definitely was some sort of a storyline that was unfo ...

i did check this one out a few years ago. It was nice, but a bit too political

The only two series I can think of from my reading off the top of my head are probably too obvious that you didn't even mention them, namely One-Punch Man (dystopian future) and JoJo's Bizarre Adventure (at least part 4 since that's not historical).

There's also Fist of the North Star/Hokuto no Ken (dystopian future, good action) if you haven't read that yet.